102 lines
4.0 KiB
C++
102 lines
4.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ultima/ultima8/misc/common_types.h"
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#include "ultima/ultima8/gfx/shape_info.h"
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#include "ultima/ultima8/ultima8.h"
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namespace Ultima {
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namespace Ultima8 {
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bool ShapeInfo::getTypeFlag(int typeFlag) const {
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if (GAME_IS_U8)
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return getTypeFlagU8(typeFlag);
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else if (GAME_IS_CRUSADER)
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return getTypeFlagCrusader(typeFlag);
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warning("Invalid game type for shape info");
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return false;
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}
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bool ShapeInfo::getTypeFlagU8(int typeFlag) const {
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// This is not nice. The Typeflags in U8 were stored in an 8 byte array
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// and they could access them with a number from 0 to 63
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// Problem: We don't store them in an 8 byte array so we can't access
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// with a number from 0 to 63
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// So what we do is split the flag up into the bits
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if (typeFlag <= 11) { // flags Byte 0, 1:0-3 Bits 0-11
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return (_flags >> typeFlag) & 1;
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} else if (typeFlag <= 15) { // family Byte 1:4-7 Bits 11-15
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return (_family >> (typeFlag - 12)) & 1;
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} else if (typeFlag <= 19) { // equipType Byte 2:0-3 Bits 16-19
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return (_equipType >> (typeFlag - 16)) & 1;
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} else if (typeFlag <= 23) { // x Byte 2:4-7 Bits 20-23
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return (_x >> (typeFlag - 20)) & 1;
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} else if (typeFlag <= 27) { // y Byte 3:0-3 Bits 24-27
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return (_y >> (typeFlag - 24)) & 1;
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} else if (typeFlag <= 31) { // z Byte 3:4-7 Bits 28-31
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return (_z >> (typeFlag - 28)) & 1;
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} else if (typeFlag <= 35) { // animtype Byte 4:0-3 Bits 32-35
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return (_animType >> (typeFlag - 32)) & 1;
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} else if (typeFlag <= 39) { // animdata Byte 4:4-7 Bits 36-49
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return (_animData >> (typeFlag - 36)) & 1;
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} else if (typeFlag <= 43) { // unknown Byte 5:0-3 Bits 40-43
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return (_animSpeed >> (typeFlag - 40)) & 1;
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} else if (typeFlag <= 47) { // _flags Byte 5:4-7 Bits 44-47
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return (_flags >> (12 + typeFlag - 44)) & 1;
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} else if (typeFlag <= 55) { // weight Byte 6 Bits 48-55
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return (_weight >> (typeFlag - 48)) & 1;
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} else if (typeFlag <= 63) { // volume Byte 7 Bits 56-63
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return (_volume >> (typeFlag - 56)) & 1;
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}
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return false;
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}
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bool ShapeInfo::getTypeFlagCrusader(int typeFlag) const {
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if (typeFlag <= 11) { // _flags Byte 0, 1:0-3 Bits 0-11
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return (_flags >> typeFlag) & 1;
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} else if (typeFlag <= 16) { // _family Byte 1:4-7,2:0 Bits 12-16
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return (_family >> (typeFlag - 12)) & 1;
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} else if (typeFlag <= 20) { // unknown Byte 2:0-3 Bits 17-20
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warning("unknown typeFlag %d requested.", typeFlag);
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} else if (typeFlag <= 26) { // x Byte 2:4-7,3:0-1 Bits 21-26
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return (_x >> (typeFlag - 21)) & 1;
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} else if (typeFlag <= 31) { // y Byte 3:2-6 Bits 27-31
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return (_y >> (typeFlag - 27)) & 1;
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} else if (typeFlag <= 36) { // z Byte 3:7,4:0-3 Bits 32-36
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return (_z >> (typeFlag - 32)) & 1;
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} else if (typeFlag <= 47) {
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warning("unknown typeFlag %d requested.", typeFlag);
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} else if (typeFlag <= 55) { // _flags Byte 6: 0-7 Bits 48-55
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return (_flags >> (12 + typeFlag - 55)) & 1;
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} else if (typeFlag <= 71) {
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warning("unknown typeFlag %d requested.", typeFlag);
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}
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return false;
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}
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} // End of namespace Ultima8
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} // End of namespace Ultima
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